// Station · 19m ago

KMSS

Massena International Airport Richards Field

CAT MVFR

WIND 290° / 6 kt

VIS 10+ SM

CEILING OVC at 2,600 ft

T/Td 20.6°C / 16.1°C

ALTIM 29.97 inHg

ELEV 215 FT

44.9362°N / 74.8443°W

LOCATION · Massena, US

WIND

290°6 kt

KMSS · 215 FT

// Current + 24h forecast · METAR loaded · TAF loading…

METRIC

NOW · 17Z

+6H

+12H

+18H

WIND

290°/6

VIS

10+ SM

CEILING

OVC026

LAYERS

FEW021 OVC026

T / Td

21 / 16

ALTIM

29.97"

// Interpretation

MVFR — ceiling 2,600 ft. Light winds at 290°/6 kt, visibility better than 10 statute miles, a few at 2,100 ft, and overcast at 2,600 ft. Would drop to IFR below 1,000 ft ceiling or 3 SM visibility, or rise back to VFR above 3,000 ft and 5 SM.

Loading TAF forecast narrative…

SOURCES · NOAA Aviation Weather Center METAR (TAF loading…)

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// Raw observation METAR string + decoded

METAR KMSS 251753Z AUTO 29006KT 10SM FEW021 OVC026 21/16 A2997 RMK AO2 SLP148 T02060161 50001

KMSS · day 25 at 17:53 UTC · wind from 290° at 6 kt · visibility 10+ SM · a few clouds at 2,100 ft · overcast at 2,600 ft · temp 21°C / dewpoint 16°C · altimeter 29.97" Hg · automated station w/ precipitation discriminator · sea-level pressure 1014.8 mb

// Runway analysis · computed from current METAR wind

Wind 290° @ 6 kt

2 USABLE · 2 AVOID

WIND

290°6 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 2 usable

27★ HDG 270° H6 kt X2 kt RIGHT PRIMARY · 4,000'

23 HDG 230° H3 kt X5 kt RIGHT 5,601'

TAILWIND ENDS · AVOID 2 ends

05 HDG 050° T3 kt X5 kt LEFT —

09 HDG 090° T6 kt X2 kt LEFT —

Pattern altitude: 1,215 ft MSL (1,000 ft AGL). Verify pattern direction and altitude with the chart supplement before flying. // On calm winds (<3 kt), all runways are usable — favor the longest or whatever the pattern calls for.

// Density altitude · ISA +6°C

900FT

+685 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV215 FT OAT+21°C ISA DELTA+6°C PRESSURE ALT162 FT

// Performance equivalent Operating here right now feels like operating at KGVQ (Genesee County Airport, Batavia, elev 914 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+9%

-6%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+6%

-4%

Light jetCJ4, Phenom 300, M2

+4%

-3%

Approximate using ~10% perf loss / 1,000 ft DA for normally aspirated, scaled by powerplant type. Verify with your aircraft's POH for accurate numbers — especially above 5,000 ft DA where these rules of thumb diverge. Severity rating assumes a standard altimeter setting (29.92" Hg / 1013 hPa); a non-standard setting shifts the effective altitude by roughly 1,000 ft per 1" Hg of deviation.

// Cloud layers · 2 reported · highest to lowest

// Reported layers (highest → lowest)

OVC026

Overcast · base 2,600 ft AGL · 8 oktas

FEW021

Few · base 2,100 ft AGL · ~1–2 oktas

// Computed

CEILING2,600 ft AGL HIGHEST LAYER2,600 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL10,619 ft VFR MARGIN-400 ft

// Sun & Moon · times in Z · bar = local day (UTC-5)

10:14ZSUNRISE

17:03ZSOLAR NOON

23:51ZSUNSET

00:22ZCIVIL END

CURRENT18:12Z DAYLIGHT REMAINING5h 39m VFR NIGHT BEGINS00:22Z (6h 10m) DAY LENGTH13h 37m

Waxing Gibbous

ILLUMINATION94% MOONRISE20:20Z MOONSET09:57Z FULL MOON IN2 days

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// Area map · 60 NM radius · CartoDB Dark Matter + aeronautical overlay

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